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DigiDoc4 Client is a desktop application for digitally signing, verifying, encrypting, and decrypting documents using Estonia's electronic identity systems. It supports signing with Estonian ID cards, Mobile-ID, and Smart-ID. Users can create digital signature containers and verify the authenticity of existing signatures. Supported formats include ASiC-E, BDOC, DDOC, and signed PDF documents. Encrypted CDOC containers protect confidential files and allow authorized recipients to decrypt them. The application also manages Estonian ID card information, certificates, and PIN and PUK codes. Integration with trusted certificate and timestamp services helps validate signed documents. DigiDoc4 Client supports Windows, macOS, and Linux.
Features
- Digital document signing with Estonian ID cards, Mobile-ID, and Smart-ID
- Electronic signature verification with certificate and timestamp validation
- ASiC-E, BDOC, DDOC, and PDF digital signature container compatibility
- Secure document encryption and decryption using CDOC containers
- Estonian ID card certificate inspection and PIN and PUK code management
- Cross-platform document signing and encryption on Windows, macOS, and Linux
Project Samples
